20131328

素因数分解:

$2^9\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 80

約数和(自身を含む): 47434464

約数和(自身を除く): 27303136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 137, 164, 224, 256, 274, 287, 328, 448, 512, 548, 574, 656, 896, 959, 1096, 1148, 1312, 1792, 1918, 2192, 2296, 2624, 3584, 3836, 4384, 4592, 5248, 5617, 7672, 8768, 9184, 10496, 11234, 15344, 17536, 18368, 20992, 22468, 30688, 35072, 36736, 39319, 44936, 61376, 70144, 73472, 78638, 89872, 122752, 146944, 157276, 179744, 245504, 314552, 359488, 491008, 629104, 718976, 1258208, 1437952, 2516416, 2875904, 5032832, 10065664, 20131328]

約数ペア:

[(1, 20131328), (2, 10065664), (4, 5032832), (7, 2875904), (8, 2516416), (14, 1437952), (16, 1258208), (28, 718976), (32, 629104), (41, 491008), (56, 359488), (64, 314552), (82, 245504), (112, 179744), (128, 157276), (137, 146944), (164, 122752), (224, 89872), (256, 78638), (274, 73472), (287, 70144), (328, 61376), (448, 44936), (512, 39319), (548, 36736), (574, 35072), (656, 30688), (896, 22468), (959, 20992), (1096, 18368), (1148, 17536), (1312, 15344), (1792, 11234), (1918, 10496), (2192, 9184), (2296, 8768), (2624, 7672), (3584, 5617), (3836, 5248), (4384, 4592)]